/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.phoenix.iterate;

import java.sql.SQLException;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.phoenix.compile.QueryPlan;
import org.apache.phoenix.compile.StatementContext;

public interface ParallelIteratorFactory {
  public static ParallelIteratorFactory NOOP_FACTORY = new ParallelIteratorFactory() {
    @Override
    public PeekingResultIterator newIterator(StatementContext context, ResultIterator scanner,
      Scan scan, String physicalTableName, QueryPlan plan) throws SQLException {
      return LookAheadResultIterator.wrap(scanner);
    }
  };

  PeekingResultIterator newIterator(StatementContext context, ResultIterator scanner, Scan scan,
    String physicalTableName, QueryPlan plan) throws SQLException;
}
